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Finding the Fourth Proportional to 408,526.60, 612,098.70 and 197,710.60

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Solution

The fourth proportional to 408,526.60, 612,098.70 and 197,710.60 is: 296,231.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,526.60 : 612,098.70 = 197,710.60 : x
  2. Step 2: Convert to fraction form
    408,526.60/612,098.70 = 197,710.60/x
  3. Step 3: Cross multiply
    408,526.60x = 612,098.70 × 197,710.60
  4. Step 4: Simplify right side
    408,526.60x = 121,018,401,236.22
  5. Step 5: Solve for x
    x = 121,018,401,236.22/408,526.60
  6. Step 6: Final answer
    x = 296,231.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.